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RSS订阅原创 解决Qt WebEngine的dll放到另一个电脑无法使用的情况
最近发现以前弄得关于Qt WebEngine的页面打包在另一个电脑上运行发现打不开网页并闪退，一开始是发现少了QtWebEngineProcess.exe，然后跑去qt目录下找到并且放到打包的下面，然后发现还是运行不了。就各种查找资料最后找到一篇文章附上链接：https://forum.qt.io/topic/51815/ask-deploy-qtwebengine-on-windows/4说...
2019-09-12 17:00:59
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转载 vtk 两个窗体不同的物体联动
我有一篇是同一个窗体两个物体的相互控制联动，这次是不同的窗体的，加入了一个回调函数类来控制两个物体行动一致#include <iostream>#include <QCoreApplication>#include <qdir.h>#include <QDebug.h>#include "vtkConeSource.h"#inclu...
2019-07-26 17:43:58
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原创 vtk 二维爱心的制作
本文是用vtk来实现的，首先通过公式计算出二维爱心的点，然后利用vtkParametricSpline类来将点连接起来，最后通过建立二维三角剖分然后再加了一些约束就完成啦，效果如下：实现代码如下#include <vtkPolyData.h>#include <vtkSmartPointer.h>#include <vtkPolyDataMapp...
2019-07-25 18:50:28
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原创 vs2013+qt5.51+vtk 实现的 双view，显示并联动操作
本文参考了https://blog.csdn.net/Jecklin_online/article/details/82187558的博客，此博客是用vtk实现的，此文是在此基础上增加了qt界面是利用了qt的QVTKWidget来实现的。1.首先我们必须将QVTKWidget加入到Qt Designer，只需找到编译好的vtk的release版本下的QVTKWidgetPlugin.dll，Q...
2018-09-07 12:13:02
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原创 vs2013+vtk+qt5.51的环境配置
1.安装好vs2013和qt5.51和 qt-vs-addin-1.2.4-opensource和DXSDK_Jun10（安装Visual Studio的时候勾上Windows SDK即可！）2.配置cmake解压cmake-3.10.0-win32-x86.rar文件 进入bin目录，双击cmake-gui 设置"Where is the source code"路径为E:/src/...
2018-09-06 17:45:37
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转载 ubuntu16.04安装selenium的艰辛
环境：ubuntu16.04, python2.71,安装（好像是这样安装的）$ sudo pip install selenium查看版本>>> import selenium>>> print selenium.__version__3.9.02,测试[p...
2018-03-03 13:02:42
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原创 hihocoder #1110 : 正则表达 区间dp
1110 : 正则表达式题目链接：点击打开链接思路： dp[i][j]为i到j这段中是否符合要求，先把所有的区间标记为不符合，先扫一遍把字符串中是1和0的字符标记为符合，然后在对 *， |，（），按照要求进行检查；代码如下：#includeusing namespace std;#define INF 1000000char s[101];int main(){ in
2017-03-01 19:58:38
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原创 #1037 : 数字三角形
#1037 : 数字三角形题目链接：点击打开链接思路：从后往前dp就好代码：#includeusing namespace std;int map[101][101];int dp[101][101];int main(){ int n; while(cin >> n) { for(int i = 1;i <= n; i ++) { for(int j
2017-02-28 15:54:59
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原创 hihocoder #1331 : 扩展二进制数
#1331 : 扩展二进制数 题目链接：点击打开链接思路：从第一位开始推，奇数个第一位就是1，偶数个第一个就是0或2，然后往下推即可代码：#includeusing namespace std;int get(int x){ if(x==0||x==1) return 1; if(x%2) { return get(x/2); } else { return
2017-02-28 15:11:58
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原创 hihocoder #1318 : 非法二进制数
#1318 : 非法二进制数题目链接：点击打开链接 点击打开链接 点击打开链接思路：简单的dp，算出n位的总数，根据0面可以接1或0,1后面只能接0，公式为dp[i][0] = (dp[i-1][0] + dp[i-1][1])和dp[i][1] = dp[i-1][0]算出符合的个数，ans=总数-合法代码:#includeusing namespace std;cons
2017-02-28 14:49:11
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原创 hdu 5880 Family View
Family View题目链接：点击打开链接题意：给你n个字符，然后再给你一段文章，要求你使文章中的上面出现的字符变为“*”；例如2abccdeabcdef就会变成*****f套ac自动机模板就好代码：#include#include#include#includeusing namespace std;const int max
2016-09-20 22:17:30
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原创 Educational Codeforces Round 2 D. Area of Two Circles' Intersection
D. Area of Two Circles' Intersection题目链接：点击打开链接题意：求两个圆的相交面积；思路： 大家都知道两圆的位置关系有五种：①两圆外离 d＞R+r ②两圆外切 d=R+r ③两圆相交 R-r＜d＜R+r(R＞r) ④两圆内切 d=R-r(R＞r) ⑤两圆内含d＜R-r(R＞r)按着分类来做即可 我把外切和外离，内切和内含放
2016-09-09 18:04:46
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原创 HDU 3746 Cyclic Nacklace
Cyclic Nacklac题目链接：点击打开链接题意：给你一个串，求循环节；思路：利用next数组性质来求循环节；代码：#include#includeusing namespace std;char p[100010];int nextk[100100]={0};int n; void makenext(){ int i=1,j=0; nextk[0]=-1;
2016-09-01 18:46:50
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原创 HDU 2087 剪花布条
剪花布条题目连接：点击打开链接题意：第二个串在第一个串出现的次数（不能重叠）思路 ：kmp，当匹配到的时候，往后跳第二个串的长度#include#include#includeusing namespace std;char t[2000],p[2000];int sum;void makenext(char p[],int next[]){ int m,i,k
2016-09-01 18:42:00
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原创 HDU 1711 Number Sequence
Number Sequence题目链接：点击打开链接题意：有两个串，求第二个串是否存在第一个串中.思路：直接kmp；#include#includeusing namespace std;int nextk[1000100];int t[1000100],q[1000100];int n,m;void makenext(){ int i=0,j=
2016-09-01 18:21:31
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原创 hdu5858 Hard problem
Hard problem题目链接：点击打开链接题意：求正方形里的一个阴影面积ps：这是一道小学竞赛题思路：我们先求出就ACE和AOE的角度出来然后根据角度求出两个扇形的面积，三角形CAO面积用海伦公式代码如下：#includeusing namespace std;const double pi=3.14159265358979323846;
2016-08-19 13:45:00
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原创 2016 Multi-University Training Contest 4 Another Meaning
Problem DescriptionAs is known to all, in many cases, a word has two meanings. Such as “hehe”, which not only means “hehe”, but also means “excuse me”. Today, ?? is chating with MeiZi online, Me
2016-07-29 15:26:23
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原创 2016 Multi-University Training Contest 3 Rower Bo
Rower BoTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 867 Accepted Submission(s): 296Special JudgeProblem DescriptionTher
2016-07-27 14:06:24
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原创 2016 Multi-University Training Contest 2 Eureka
Problem DescriptionProfessor Zhang draws n points on the plane, which are conveniently labeled by 1,2,...,n. The i-th point is at (xi,yi). Professor Zhang wants to know the number of best
2016-07-22 17:12:00
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原创 2016 Multi-University Training Contest 2 Keep On Movin
Problem DescriptionProfessor Zhang has kinds of characters and the quantity of the i-th character is ai. Professor Zhang wants to use all the characters build several palindromic strings. He a
2016-07-22 11:08:02
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原创 2016 Multi-University Training Contest 2 Acperience
Deep neural networks (DNN) have shown significant improvements in several application domains including computer vision and speech recognition. In computer vision, a particular type of DNN, known as C
2016-07-22 10:26:25
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原创 2016 Multi-University Training Contest 2 It's All In The Mind
Problem DescriptionProfessor Zhang has a number sequence a1,a2,...,an. However, the sequence is not complete and some elements are missing. Fortunately, Professor Zhang remembers some properties
2016-07-22 09:32:20
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原创 2016 Multi-University Training Contest 2 La Vie en rose
Problem DescriptionProfessor Zhang would like to solve the multiple pattern matching problem, but he only has only one pattern string p=p1p2...pm. So, he wants to generate as many as possible pa
2016-07-22 09:28:22
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原创 codefores 352 C. Recycling Bottles
C. Recycling Bottlestime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputIt was recycling day in Kekoland. To c
2016-05-13 22:03:02
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原创 codefores 352 D. Robin Hood
D. Robin Hoodtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputWe all know the impressive story of Robin Hood
2016-05-13 21:57:58
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原创 codeforcs 351 D. Bear and Two Paths
D. Bear and Two Pathstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputBearland has n cities, numbered 1 thr
2016-05-08 15:33:30
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原创 codeforcs 351 C. Bear and Color
C. Bear and Colorstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputBear Limak has n colored balls, arranged
2016-05-08 15:26:08
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原创 codeforcs 351 B. Problems for Round
B. Problems for Roundtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThere are n problems prepared for the
2016-05-08 15:20:18
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原创 codeforcs 351 A. Bear and Game
A. Bear and Gametime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputBear Limak likes watching sports on TV. He
2016-05-08 15:14:48
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原创 codeforcs 350 C. Cinema
C. Cinematime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputMoscow is hosting a major international conferenc
2016-05-07 20:31:54
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原创 codeforcs 350 B. Game of Robots
B. Game of Robotstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputIn late autumn evening n robots gathered i
2016-05-07 20:24:41
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原创 codeforce 350 A. Holidays
A. Holidaystime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputOn the planet Mars a year lasts exactly n days (
2016-05-07 20:15:09
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原创 求关于一条直线的对称点
已知直线l:a*x+b*y+c=0(a!=0,b!=0)点A（x1,y1）,求点关于直线l的对称点A'.可以设A'为（x,y），那么可知点（(x1+x)/2, (y1+y)/2) ）在直线l上，且过点A与点A'的直线与l垂直，及斜率的乘积为-1，可以得到计算公式a*(x+x1)/2+b*(y+y1)/2+c=0 .....公式1a*(y-y1)/(b*(x-x1))=1....公式2
2016-04-12 21:53:00
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原创 poj 1410 Intersection
You are to write a program that has to decide whether a given line segment intersects a given rectangle. An example: line: start point: (4,9) end point: (11,2) rectangle: left-top: (1,5) r
2016-04-12 21:14:32
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原创 poj 1066 Treasure Hunt
Archeologists from the Antiquities and Curios Museum (ACM) have flown to Egypt to examine the great pyramid of Key-Ops. Using state-of-the-art technology they are able to determine that the lower floo
2016-04-12 21:09:27
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原创 poj 2653 Pick-up sticks
Stan has n sticks of various length. He throws them one at a time on the floor in a random way. After finishing throwing, Stan tries to find the top sticks, that is these sticks such that there is no
2016-04-12 21:05:04
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原创 poj 1269 Intersecting Lines
We all know that a pair of distinct points on a plane defines a line and that a pair of lines on a plane will intersect in one of three ways: 1) no intersection because they are parallel, 2) intersect
2016-04-12 21:02:33
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原创 poj3304 Segments
Given n segments in the two dimensional space, write a program, which determines if there exists a line such that after projecting these segments on it, all projected segments have at least one point
2016-04-12 20:53:04
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原创 poj 2398 Toy Storage
Mom and dad have a problem: their child, Reza, never puts his toys away when he is finished playing with them. They gave Reza a rectangular box to put his toys in. Unfortunately, Reza is rebellious an
2016-04-12 20:47:38
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原创 poj2318 TOYS
Calculate the number of toys that land in each bin of a partitioned toy box.Mom and dad have a problem - their child John never puts his toys away when he is finished playing with them. They gave Jo
2016-04-12 20:41:49
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